[CinCV TNG] [impr] FindObject

Sam cinelerra at posteo.de
Sat Apr 7 23:58:48 CEST 2018

Thank you! The video is a big help, now I know what I did wrong. It is 
indeed very difficult to handle the knobs. It took me just as long to 
adjust the frame.


On 07.04.2018 23:41, Phyllis Smith wrote:
> Demo is at: https://www.datafilehost.com/d/262d207c
> Input files AND the original demo tar file at: 
> https://www.datafilehost.com/d/1951cbce
> On Fri, Apr 6, 2018 at 5:25 PM, Sam <cinelerra at posteo.de 
> <mailto:cinelerra at posteo.de>> wrote:
>     Do you have experience with the plugin FindObj? I tried following
>     your instructions. Despite many attempts I do not manage to
>     produce a usable result with it. The object that should overlay
>     the scene jumps back and forth like crazy. The object is partly
>     distorted beyond recognition. Shouldn't the overlay object always
>     keep the same shape and size? Had you made a video about this in
>     the past?
>     This plugin seems to be very powerful, but the handling is very
>     complicated. I have noticed the following points:
> A user mentioned that the HV/CV version of Findobject was not working 
> last September.  At that time the only goal was to get it working like 
> it did originally.  Then it was also kind of fun to look at the other 
> OpenCV examples, see how they worked and convert Move/Flow/Gabor.  Now 
> it was thought was a good time to upgrade the version of OpenCV so 
> test material was needed and that is when Style and Puzzle were added.
> We did not get any real feedback that it was useful to have some 
> OpenCV plugins available to Cinelerra/CGG so left it at that - 
> although I did put a note out on the OpenCV forum suggesting that 
> maybe someone there would be interested last September.
> If there is more emphasis on using FindObject, it might be a good idea 
> to improve the user interface as you can see from the demo what a 
> difficult time I had getting the box surrounded!   GG/Phyllis
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